#584183
Closest named color: Dark Slate Blue (#483D8B). oklch(43.2% 0.107 297.8), rgb(88, 65, 131).
Aa
White text reads best on this color (8.40:1).
About this color
#584183 is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.107 and its hue 298°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.034 away. White text reads best on it, at 8.40:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.107) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.49:1 |
| White text | 8.40:1 |
Values
| HEX | #584183 |
| RGB | rgb(88, 65, 131) |
| HSL | hsl(261, 34%, 38%) |
| OKLCH | oklch(43.2% 0.107 297.8) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #584183 | 8.40:1 | AAA | Lc -93.4 | Preferred for body text |
| Black text on #584183 | 2.49:1 | Fails | Lc 15.2 | Dividers and decoration only |
| #584183 text on white | 8.40:1 | AAA | Lc 88.8 | Fine for body text |
| #584183 text on black | 2.49:1 | Fails | Lc -13.4 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 800.
-
Step 50
50
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#EBE7F5
oklch(93.5% 0.019 299.1)
-
Step 200
200
#DBD5EE
oklch(88.5% 0.035 296.7)
-
Step 300
300
#C5B9E5
oklch(81% 0.063 297.5)
-
Step 400
400
#A893D7
oklch(70.7% 0.1 298)
-
Step 500
500
#9377CD
oklch(63.1% 0.129 297.6)
-
Step 600
600
#7E5EB9
oklch(55.6% 0.139 298)
-
Step 700
700
#6A4DA0
oklch(49.1% 0.13 297.5)
-
Step 800
800 (this color)
#584183
oklch(43.2% 0.107 297.8)
-
Step 900
900
#473768
oklch(37.8% 0.083 297.3)
-
Step 950
950
#2A203D
oklch(27% 0.054 298.6)
#584183 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #2B4E85 | 0.069 |
| Deuteranopia (no green cones) | #304D81 | 0.065 |
| Tritanopia (no blue cones) | #4F4D5C | 0.083 |
| Achromatopsia (no color) | #4D4D4D | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #584183
#584183
oklch(43.2% 0.107 297.8)
- #4C5700
#4C5700
oklch(43.2% 0.1 117.9)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #584183, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.034
- Blueberry #464196 ΔE 0.044
- Twilight #4E518B ΔE 0.044
- Dusk #4E5481 ΔE 0.054
- Rebecca Purple #663399 ΔE 0.055
- Dusty Grape #545775 ΔE 0.072
- Dusk Blue #26538D ΔE 0.078
- Denim Blue #3B5B92 ΔE 0.078
Use #584183 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.